<template>
  <div class="app-container">
    <el-row :gutter="20">
      <!--文件夹数据-->
      <el-col :span="4" :xs="24" v-if="isTreeFolderShow">
        <div class="head-container">
          <el-input v-model="folderName" placeholder="请输入文件夹名称" clearable size="small" prefix-icon="el-icon-search"
                    style="margin-bottom: 20px"/>
        </div>
        <div class="head-container">
          <el-tree :data="folderOptions" :props="defaultProps" :expand-on-click-node="false"
                   :filter-node-method="filterNode"
                   ref="tree" default-expand-all @node-click="handleNodeClick">
                   <!-- 添加title属性 -->
                  <span class="el-tree-node__label" slot-scope="{node}" :title="node.label">
			              <span @click="handleNodeClick(node)">
			                {{node.label}}
			              </span>
		            	</span>
          </el-tree>
        </div>
      </el-col>
      <!--文件数据-->
      <el-col :span="20" :xs="24">
        <!-- 搜索工作栏 -->
        <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="120px">
          <el-row>
            <el-form-item>
              <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
              <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
              <el-button type="info" plain icon="el-icon-sort" size="mini" @click="showOrHiddenFolderTree">显示/隐藏</el-button>
            </el-form-item>
          </el-row>
          <el-form-item label="名称" prop="fileName">
            <el-input v-model="queryParams.fileName" placeholder="请输入文件名称" style="width: 226px" clearable
                      size="small"
                      @keyup.enter.native="handleQuery"/>
          </el-form-item>
          <el-form-item label="文件类型" prop="fileType">
            <el-input v-model="queryParams.fileType" placeholder="请选择文件类型" style="width: 226px" clearable
                      size="small"
                      @keyup.enter.native="handleQuery"/>
          </el-form-item>
          <!--      <el-form-item label="文件后缀" prop="fileSuffix">
                  <el-input v-model="queryParams.fileSuffix" placeholder="请输入文件后缀" clearable size="small" @keyup.enter.native="handleQuery"/>
                </el-form-item>-->
          <!--      <el-form-item label="文件所有者id" prop="fileOwnerId">
                  <el-input v-model="queryParams.fileOwnerId" placeholder="请输入文件所有者id" clearable size="small" @keyup.enter.native="handleQuery"/>
                </el-form-item>
                <el-form-item label="备注" prop="remark">
                  <el-input v-model="queryParams.remark" placeholder="请输入备注" clearable size="small" @keyup.enter.native="handleQuery"/>
                </el-form-item>
                <el-form-item label="文件大小" prop="fileSize">
                  <el-input v-model="queryParams.fileSize" placeholder="请输入文件大小" clearable size="small" @keyup.enter.native="handleQuery"/>
                </el-form-item>
                <el-form-item label="文件类型" prop="fileType">
                  <el-select v-model="queryParams.fileType" placeholder="请选择文件类型" clearable size="small">
                    <el-option label="请选择字典生成" value="" />
                  </el-select>
                </el-form-item>
                <el-form-item label="文件相对路径" prop="filePath">
                  <el-input v-model="queryParams.filePath" placeholder="请输入文件相对路径" clearable size="small" @keyup.enter.native="handleQuery"/>
                </el-form-item>-->
          <el-form-item label="创建时间">
            <el-date-picker v-model="dateRangeFileCreateTime" size="small" style="width: 226px"
                            value-format="yyyy-MM-dd"
                            type="daterange" range-separator="-" start-placeholder="开始日期" end-placeholder="结束日期"/>
          </el-form-item>
          <el-form-item label="修改时间">
            <el-date-picker v-model="dateRangeFileLastTime" size="small" style="width: 226px"
                            value-format="yyyy-MM-dd"
                            type="daterange" range-separator="-" start-placeholder="开始日期" end-placeholder="结束日期"/>
          </el-form-item>

          <!--      <el-form-item label="文件校验和" prop="fileCheckSum">
                  <el-input v-model="queryParams.fileCheckSum" placeholder="请输入文件校验和" clearable size="small" @keyup.enter.native="handleQuery"/>
                </el-form-item>-->
        </el-form>

        <!-- 操作工具栏 -->
        <el-row :gutter="10" class="mb8">
          <el-col :span="1.5">
            <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd"
                       v-hasPermi="['xiaoBizHandler:XT-b-file:create']">新增
            </el-button>
          </el-col>
          <el-col :span="1.5">
            <el-button type="warning" plain icon="el-icon-download" size="mini" @click="handleExport"
                       :loading="exportLoading"
                       v-hasPermi="['xiaoBizHandler:XT-b-file:export']">导出
            </el-button>
          </el-col>
          <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>

        <!-- 列表 -->
        <el-table v-loading="loading" :data="list">
          <!--      <el-table-column label="主键id" align="center" prop="id" />-->
          <!-- <el-table-column label="文件id" align="center" prop="fileId" /> -->
          <el-table-column label="名称" align="center" prop="fileName"/>
          <el-table-column label="文件夹" align="center" key="folderName" prop="folder.name" v-if="columns[0].visible" :show-overflow-tooltip="true" />
          <!-- <el-table-column label="文件后缀" align="center" prop="fileSuffix" /> -->
          <!--      <el-table-column label="文件所有者id" align="center" prop="fileOwnerId" />-->
          <!-- <el-table-column label="绝对路径" align="center" prop="fileAbsolutePathFormatter" /> -->
          <el-table-column label="类型" align="center" prop="fileType"/>
          <el-table-column label="显示顺序" align="center" prop="sort" width="100" />
          <el-table-column label="大小" align="center" prop="fileSizeFormatter"/>
          <el-table-column label="创建时间" align="center" prop="fileCreateTime"/>
          <el-table-column label="修改时间" align="center" prop="fileLastTime"/>
          <el-table-column label="备注" align="center" prop="remark"/>
          <!--      <el-table-column label="文件校验和" align="center" prop="fileCheckSum" />-->
          <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
            <template slot-scope="scope">
              <el-button size="mini" type="text" icon="el-icon-view" @click="handleOpenFile(scope.row)"
                         v-hasPermi="['xiaoBizHandler:XT-b-file:openFile']">打开
              </el-button>
              <el-button size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)"
                         v-hasPermi="['xiaoBizHandler:XT-b-file:update']">修改
              </el-button>
              <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
                         v-hasPermi="['xiaoBizHandler:XT-b-file:delete']">删除
              </el-button>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNo" :limit.sync="queryParams.pageSize"
                    @pagination="getList"/>
      </el-col>
    </el-row>

    <!-- 对话框(添加 / 修改) -->
    <el-dialog :title="title" :visible.sync="open" width="100%" height="100%" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row>
          <el-col :span="12">
            <el-form-item label="文件名称" prop="fileName">
              <el-input v-model="form.fileName" placeholder="请输入文件名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="文件类型" prop="fileSuffix">
              <el-input v-model="form.fileType" placeholder="请输入文件类型" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="文件夹" prop="folderId">
              <treeselect v-model="form.folderId" :options="folderOptions" :normalizer="normalizer" placeholder="选择文件夹" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示顺序" prop="sort">
              <el-input-number v-model="form.sort" controls-position="right" :min="0" />
            </el-form-item>
          </el-col>       
        </el-row>
        <el-row>
          <el-col :span="24">
            <el-form-item label="备注" prop="remark">
              <el-input v-model="form.remark" placeholder="请输入备注" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="24">
            <el-form-item label="文件绝对路径" prop="remark">
              <el-input v-model="form.fileAbsolutePathFormatter" placeholder="请输入文件绝对路径" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="创建时间" prop="fileCreateTime">
              <el-date-picker aria-readonly="true" clearable size="small" v-model="form.fileCreateTime" type="date" value-format="yyyy-MM-dd" placeholder="选择文件创建时间" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="修改时间" prop="fileLastTime">
              <el-date-picker aria-readonly="true" clearable size="small" v-model="form.fileLastTime" type="date" value-format="yyyy-MM-dd" placeholder="选择文件修改时间" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-form-item label="文件上传">
            <fileUpload v-model="form.filePath" :attachUploadSuccess="attachUploadSuccess"/>
          </el-form-item>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button v-if="form.id === undefined" type="primary" @click="createFile">创建文件</el-button>
        <el-button v-if="form.id === undefined" type="primary" @click="createAndOpenFile">创建并打开文件</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { openFile,createXTbFile, updateXTbFile, deleteXTbFile, getXTbFile, getXTbFilePage, exportXTbFileExcel,createFileByForm,createAndOpenFileByForm } from "@/api/xiaoBizHandler/xTbFile";
import FileUpload from '@/components/FileUpload';
import { getNowDate } from "@/utils/ruoyi";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import { listFolder,listSimpleFolders } from "@/api/xiaoBizHandler/xTbFolder";

export default {
  name: "XTbFile",
  components: {
    FileUpload,
    Treeselect,
  },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 文件列表
      list: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      dateRangeFileCreateTime: [],
      dateRangeFileLastTime: [],
      // 文件夹名称
      folderName: undefined,
      // 查询参数
      queryParams: {
        pageNo: 1,
        pageSize: 30,
        folderId: null,
        fileName: null,
        fileSuffix: null,
        fileOwnerId: null,
        remark: null,
        fileSize: null,
        fileType: null,
        filePath: null,
        fileCheckSum: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      },
      // 文件夹选项
      folderOptions:[],
      // 列信息
      columns: [
        { key: 3, label: `文件夹`, visible: true }
      ],
      defaultProps: {
        children: "children",
        label: "name"
      },
      // 左边树形列表是否展示
      isTreeFolderShow: true
    };
  },
  watch: {
    // 根据名称筛选文件夹树
    folderName(val) {
      this.$refs.tree.filter(val);
    }
  },
  created() {
    this.getList();
    this.getTreeselect();
  },
  methods: {
    /** 查询列表 */
    getList() {
      this.loading = true;
      // 处理查询参数
      let params = {...this.queryParams};
      this.addBeginAndEndTime(params, this.dateRangeFileCreateTime, 'fileCreateTime');
      this.addBeginAndEndTime(params, this.dateRangeFileLastTime, 'fileLastTime');
      // 执行查询
      getXTbFilePage(params).then(response => {
        this.list = response.data.list;
        this.total = response.data.total;
        this.loading = false;
      });
      // // 加载文件夹数据
      // listFolder().then(response => {
	    //     this.folderOptions = this.handleTree(response.data, "id","parentId","children","0");
      // });
    },
    // 显示或隐藏文件夹树形列表
    showOrHiddenFolderTree() {
      this.isTreeFolderShow = !this.isTreeFolderShow;
    },
    // 节点单击事件
    handleNodeClick(data) {
      // var treeListIds = this.getTreeListIds(data);
      // console.log(treeListIds);
      // debugger
      this.queryParams.folderId = this.getTreeListIds(data);
      this.getList();
    },
    // 获取当前id和子级id，并用逗号拼接起来
    getTreeListIds(data) {
      // 有子级
      if (data.children !== undefined) {
        var childrenIds = "";
        var childrens = data.children;
        for (var index = 0; index < childrens.length; index++) {
          var children = childrens[index];
          var childrenId = this.getTreeListIds(children);
          if (childrenId[0] !== ',') childrenId = "," + childrenId;
          childrenIds = childrenIds + childrenId;
        }
        return data.id + childrenIds;
      } else {
        return data.id;
      }
    },
    // 筛选节点
    /**
     * 筛选节点的顺序是从上到下开始的
     */
    filterNode(value, data) {
      // 搜索关键词是否用空格来分隔 上下级
      let isBlankSpliceSearchKeyWord = value.indexOf(" ") !== -1;
      if (isBlankSpliceSearchKeyWord) {
        let childrenValueArr = (value + "").split(" ");
        value = childrenValueArr[0];
      }

      if (!value) return true;
      // 忽略大小写敏感
      let matchValue = value.toLowerCase(), matchDataName = data.name.toLowerCase()
      // 文件夹名称首字母缩写
      ,nameFirstPinYin = data.nameFirstPinYin.toLowerCase()
      // 文件夹名称拼音
      ,nameAllPinYin = data.nameAllPinYin.toLowerCase();

      let isMatch = true;
      isMatch = matchDataName.indexOf(matchValue) !== -1
        || nameFirstPinYin.indexOf(matchValue) !== -1
        || nameAllPinYin.indexOf(matchValue) !== -1;

      // 如果被匹配到显示下一级
      if (isMatch) {
        if (data.isShowWithParent)  data.isShowWithParent = false;
        this.showNextChildrenLevel(data);
      } else {
        // 如果没有匹配到
        // 当上一级被匹配到的时候也显示出来
        if (data.isShowWithParent) {
          isMatch = true;
          this.showNextChildrenLevel(data);
        }
      }
      // 无论是被搜索关键词匹配到，还是被当做下级带出来，都要清理掉 isShowWithParent 的状态
      // 防止第二次搜索的时候把第一次搜索的时候，isShowWithParent 没被清空，把第一次的搜索结果也带出来
      if (data.isShowWithParent)  data.isShowWithParent = false;
      return isMatch;
    },
    /** 如果当前项被匹配到，则把下一项也显示出来 */
    showNextChildrenLevel(data) {
        var isHaveChildren = data.children !== undefined && data.children.length !== 0;
        // 如果有下级
        if (isHaveChildren) {
          var children = data.children;
          for (let index = 0; index < children.length; index++) {
            const curItem = children[index];
            curItem.isShowWithParent = true;
          }
        }
    },
    /** 查询文件夹下拉树结构 */
    getTreeselect() {
      listSimpleFolders().then(response => {
        // 处理 folderOptions 参数
        this.folderOptions = [];
        this.folderOptions.push(...this.handleTree(response.data, "id","parentId","children","0"));
      });
    },
    /** 取消按钮 */
    cancel() {
      this.open = false;
      this.reset();
    },
    /** 表单重置 */
    reset() {
      this.form = {
        id: undefined,
        folderId: undefined,
        fileName: undefined,
        fileSuffix: undefined,
        fileOwnerId: undefined,
        remark: undefined,
        fileSize: undefined,
        fileAbsolutePathFormatter: undefined,
        fileType: undefined,
        filePath: undefined,
        fileCreateTime: undefined,
        fileLastTime: undefined,
        fileCheckSum: undefined,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNo = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.dateRangeFileCreateTime = [];
      this.dateRangeFileLastTime = [];
      this.resetForm("queryForm");
      this.queryParams.folderId = undefined;
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加文件";
      if (this.form.id === undefined) {
        this.form.fileType = "xmind";
        let nowDateStr = getNowDate();
        this.form.fileCreateTime =  nowDateStr;
        this.form.fileLastTime =  nowDateStr;
      }
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id;
      getXTbFile(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改文件";
        if (this.form.folderId === '0') { // 无文件夹时，标记为 undefined，避免展示为 Unknown
          this.form.folderId = undefined;
        }
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (!valid) {
          return;
        }
        // 修改的提交
        if (this.form.id != null) {
          updateXTbFile(this.form).then(response => {
            this.$modal.msgSuccess("修改成功");
            this.open = false;
            this.getList();
          });
          return;
        }
        // 添加的提交
        createXTbFile(this.form).then(response => {
          this.$modal.msgSuccess("新增成功");
          this.open = false;
          this.getList();
        });
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const id = row.id;
      const name = row.fileName;
      this.$modal.confirm('是否确认删除文件名为"' + name + '"的数据项?').then(function() {
          return deleteXTbFile(id);
        }).then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      // 处理查询参数
      let params = {...this.queryParams};
      params.pageNo = undefined;
      params.pageSize = undefined;
      this.addBeginAndEndTime(params, this.dateRangeFileCreateTime, 'fileCreateTime');
      this.addBeginAndEndTime(params, this.dateRangeFileLastTime, 'fileLastTime');
      // 执行导出
      this.$modal.confirm('是否确认导出所有文件数据项?').then(() => {
          this.exportLoading = true;
          return exportXTbFileExcel(params);
        }).then(response => {
          this.$download.excel(response, '${table.classComment}.xls');
          this.exportLoading = false;
        }).catch(() => {});
    },
    /** 附件上传成功后自动填充表单操作 */
    attachUploadSuccess(attach) {
      let nowDateStr = getNowDate();
      this.form.fileName = attach.attachName;
      this.form.fileCreateTime =  nowDateStr;
      this.form.fileLastTime =  nowDateStr;
      this.form.fileType =  attach.attachType;
      this.form.fileSize = attach.fileSize;
      this.form.fileAbsolutePathFormatter = attach.fileAbsolutePathFormatter;
    },
    /** 打开文件按钮操作 */
    handleOpenFile(row) {
      const path = row.fileAbsolutePathFormatter;
      openFile(path).then(response => {

      });
    },
    /** 创建文件 */
    createFile() {
      this.$refs["form"].validate(valid => {
        if (!valid) {
          return;
        }
        createFileByForm(this.form).then(response => {
          this.$modal.msgSuccess("创建成功");
          this.open = false;
          this.getList();
        });
      });
    },
    /** 创建并打开文件*/
    createAndOpenFile() {
      this.$refs["form"].validate(valid => {
        if (!valid) {
          return;
        }
        createAndOpenFileByForm(this.form).then(response => {
          this.$modal.msgSuccess("创建成功");
          this.open = false;
          this.getList();
        });
      });
    },
    /** 转换数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.id,
        label: node.name,
        children: node.children
      };
    },
  }
};
</script>

<style lang="scss">
.treeselect-main {
  width:226px;
  line-height:30px;
  .vue-treeselect__placeholder {
    line-height:30px;
  }
  .vue-treeselect__control {
    height:30px;
  }
}
</style>
